Sentry FiproGuard Flea & Tick Spot Treatment for Cats

By Sentry
Rated 3.2375 out of 5 stars
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Sentry FiproGuard Flea & Tick Spot Treatment for Cats, 6 Doses (6-mos. supply) slide 1 of 8
Slide 1 of 8
Sentry FiproGuard Flea & Tick Spot Treatment for Cats, 6 Doses (6-mos. supply) slide 1 of 8

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About This Item

  • Kills fleas, flea eggs, ticks and chewing lice for up to 30 days.
  • Kills ticks that may transmit Lyme disease.
  • Stops the flea life cycle and kills flea eggs for up to 12 weeks.
  • For use on cats of all weights, 8 weeks of age and over.
  • Waterproof, long lasting and fast acting.
Play Video: Learn More About Sentry From Our Team of Experts
Learn More About Sentry From Our Team of Experts

Important Information

Fleas rise to the top of your pet's coat as they die, so consider it a triumph if you start seeing more fleas at first, after treating your pet. If you’re still seeing fleas after application, it may be because your pet has picked up new fleas from the environment, which may include other pets, surfaces and outdoor areas. It may take up to 30 days to break the entire flea life cycle. Additionally, you should also treat sources of new fleas (i.e., carpet, yard, etc.) to ensure complete flea control.

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Top IngredientsActive Ingredients : Fipronil 9.70%.Active Ingredients: Fipronil 9.8%, (S)-Methoprene 11.8%.N/AN/AN/A

Questions & Answers

24 Customer Questions

Is this safe to use in multiple cat households on cats that love to groom each other? What if they end up ingesting it?
Answer by ChewySep 01, 2017
Once dry the formula is completely safe for normal grooming, and most cats will avoid the bitter liquid.

Does this product leave a greasy residue after use?
Answer by ChewyJun 11, 2019
When applied and dried as instructed, there shouldn't be a greasy residue left behind.

What if I'm treating multiple cats (6) at the same time? Do they still have to be separated from each other?
Answer by ChewyJul 19, 2018
It's recommended to separate the treated cats from all other cats and dogs for 24 hours until the treatment has completely dried.

can I shampoo my cat with flea killer shampoo a couple of days after I've put your product on her back
Answer by ChewyApr 13, 2018
It's recommended to bathe your cat at least 72 hours of applying the topical treatment. Sentry FiproGuard for cats remains effective even after bathing, water immersion and exposure to sunlight.

ReviewsWrite a Review

Rated 3.2375 out of 5 stars
421 Reviews
Would recommend to a friend

421 Customer Reviews

Rated 4 out of 5 stars
By Satisfied on May 6, 2022

Second Best Choice

I prefer another brand, which I also purchase from Chewy, but it's been out of stock for a while. I tried Sentry a couple of months ago and I like it. It's a great backup when my favorite brand isn't available.

Rated 5 out of 5 stars
By Kerry on Apr 27, 2022


My neighbor and I are working together on caring for one of my mom's outdoor cats. They got him the shots and I got him the flea meds which have worked great! Every other month I send them a bag of food for child support~

Rated 5 out of 5 stars
By Graycemom on Mar 1, 2022

No flea beds

I was buying an off brand of Frontline for cats from a local store and our girl was still getting fleas beds on the back of her neck and had started digging even down her back. She's an inside baby so she really shouldn't have needed anything aggressive so I tried this on a chance. After the first application, her flea beds were gone in about a week... She is still flea free. I even forgot to mark it done when she was due for the next application, and went past the due date. I seen her scratch one day, and applied the next dose, still no flea great.

Rated 1 out of 5 stars
By Dash on May 13, 2022

Not long enough

Would never buy again.. very disappointed rated 000. Two weeks cats were scratching from mites or fleas. But don't buy

Rated 3 out of 5 stars
By Deed on Apr 9, 2022

Get What You Pay For

This treatment didn't seem to do a very good job for my cat. I realize the best ones cost quite a bit so just wanted to check this one out. Won't buy again.

Rated 5 out of 5 stars
By Maddie on Apr 14, 2022

All of my cats are flea free

I used this product on all 6 of my indoor cats and within 24 hours they were all flea free. Good product at a good price.

Rated 3 out of 5 stars
By CARDScats on Nov 13, 2021

Doesn't last long

This don't last all 4 weeks it wears off around the first to second week depending on the cat but the flea population is way down but not like I wanted Ended up with a bad infestation not to long ago due to neighbors not treating their dogs (all cats are indoor only) ,the first month of infestation I got vet prescribed flea meds for all the cats and it made one sick I noticed the vet ones contain the ingredient that made her sick so I decided to get this it has cut the infestation down but it doesn't last, I been flea combing vacuuming etc on a daily ,when I run out of the ones I ordered which got damaged and run out of the replacements I'm going to switch to something else that stays working due to neighbors not doing anything about their flea problem (shared units their fleas travel to my unit) ,before the infestation the cats didn't have one flea But I gotta say this didn't make any of the cats sick

Rated 5 out of 5 stars
By kittymama on Feb 17, 2022

Keeps Fleas away

Bought this product for my cat and haven't seen a flea. No reaction when I gave it to my cat either. Product arrived quickly too.

Rated 5 out of 5 stars
By Great on Dec 29, 2021

Great Product!

We have been using this product on our now 7 rescue cats for years, and have never had a problem with it once. The same medications as the big name brands but without the big name prices. Good price, good quality, good for my cats to help keep them healthy. It's a win-win-win!!

Rated 1 out of 5 stars
By Badged on Nov 29, 2021

Useless product

If there was 0 stars,I’d report that.I used this on my 3 cats & it didn’t work.It is supposed to last a month.I repeated it 2 weeks later,still no luck! They’re covered with flea eggs & dirt.This is supposed to contain same ingredients as popular name brand products & it wasted my money & my pets are miserable!!!